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While changing the diaper of an infant with Tetralogy of Fallot, the nurse notes the infant starts to appear cyanotic and goes limp. What is the priority nursing action?

For a mode-locking laser, the gain medium ideally supports a single longitudinal mode in order to have a single wavelength output.

Population inversion of molecules in a gain medium is required for a laser system.

The upper energy level of laser emission typically needs to have a lifetime as short as possible in order to quickly emit the laser photons.

The pulse duration of a laser pulse coming out from a waveguide may be different than that of the input laser pulse.

35.  Intense, irrational fears of particular things, activities, or situations are called ______.

39.  Information is grouped for storage in short-term memory through the process of ______.

The longitudinal mode spacing of an optical cavity increases with decreasing the cavity length.

In order to have a small laser spot on the moon, one needs to make the laser beam as thin as possible when launching the laser towards the moon.

A light going through an optical waveguide can be viewed as that field patterns are formed across the waveguide due to standing waves and the field patterns propagate alone the waveguide.